Poly(ethylene glycol) methyl ether tosylate - MW 1000 Da , CAS No.58320-73-3

CAS: 58320-73-3 Cat. No.: T164401 EC Number: 688-184-4
AVAILABLE TO ORDER
GRADE & PURITY MW 1000 Da
Synonyms
Polyethylene glycol | Methoxy PEG tosylate | Methoxypolyethylene glycol tosylate | PEG tosylate | mPEG-Tos | mPEG tosylate | mPEG-Ts
Storage
Store at -20°C,Argon charged
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
100mg
T164401-100mg
2
$27.90
500mg
T164401-500mg
1
$59.90
2.5g
T164401-2.5g
1
$179.90
Enter a quantity for the sizes you want to add.
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Why this grade

MW 1000 Da for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at -20°C,Argon charged Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Tosyl functionctional PEG is an amino (-NH2) group reactive PEG derivative that can be used to modify protein, peptide or any other surfaces with available amino groups. Tosyl PEGs react readily with amine groups at a pH of from 8.0 to 9.5.

Specifications

Synonyms
Polyethylene glycol | Methoxy PEG tosylate | Methoxypolyethylene glycol tosylate | PEG tosylate | mPEG-Tos | mPEG tosylate | mPEG-Ts
Specifications & Purity
MW 1000 Da
Storage
Store at -20°C, Argon charged
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Names and Identifiers
Canonical SmilesCC1=CC=C(C=C1)S(=O)(=O)OCCOC
IUPAC Name2-methoxyethyl 4-methylbenzenesulfonate
InChIKeyTZXJJSAQSRHKCZ-UHFFFAOYSA-N
INCHI1S/C10H14O4S/c1-9-3-5-10(6-4-9)15(11,12)14-8-7-13-2/h3-6H,7-8H2,1-2H3
Isomeric SMILES CC1=CC=C(C=C1)S(=O)(=O)OCCOC
WGK Germany 3
Reaxy-Rn 2376237
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2376237&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassBenzenoids
ClassBenzene and substituted derivatives
SubclassBenzenesulfonic acids and derivatives
Intermediate Tree Nodes Not available
Direct ParentBenzenesulfonate esters
Alternative Parents p-Methylbenzenesulfonates  Tosyl compounds  Benzenesulfonyl compounds  Arylsulfonic acids and derivatives  Organosulfonic acid esters  Sulfonyls  Dialkyl ethers  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Benzenesulfonate ester - P-methylbenzenesulfonate - Tosyl compound - Arylsulfonic acid or derivatives - Benzenesulfonyl group - Toluene - Organosulfonic acid ester - Sulfonyl - Organosulfonic acid or derivatives - Organic sulfonic acid or derivatives - Dialkyl ether - Ether - Organic oxygen compound - Organosulfur compound - Organooxygen compound - Hydrocarbon derivative - Organic oxide - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as benzenesulfonate esters. These are arenesulfonate esters that result from the formal condensation of the hydroxy group of an alcohol, enol, phenol or heteroarenol with benzenesulfonic acid.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

4 results found

Lot NumberCertificate TypeDateItem
C2520897Certificate of AnalysisMar 13, 2025 T164401
C2520898Certificate of AnalysisMar 13, 2025 T164401
C2520899Certificate of AnalysisMar 13, 2025 T164401
C2520900Certificate of AnalysisMar 13, 2025 T164401
Chemical and Physical Properties
SolubilityOff-white/white solid or viscous liquid depends on molecule weight;Soluble in regular aqeous solution as well as most organic solvents;
SensitivityMoisture sensitive
Flash Point(°F)>230 °F
Flash Point(°C)>110 °C
Melt Point(°C)48 - 53 °C
Solution Calculators
Reviews

Customer Reviews

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